{ "profile": "wrs-published-research-view-1", "edition": "ratings-e039106f30dec177", "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS", "entry": { "id": "admx-dark-matter-axion-haloscope-2018", "title": "ADMX low-noise cavity searches for axion dark matter", "summary": "ADMX searched microwave spectra for conversion of hypothetical Galactic axions and found no statistically significant axion signal. The 2018 report reached benchmark DFSZ sensitivity near 2.66–2.81 microelectronvolts, and the later 2019 preprint reported an extended 2.81–3.31 microelectronvolt search using a Josephson parametric amplifier and alternative cavity configurations.", "boundary": "The exclusion limits assume specific local axion densities and velocity distributions, apply to the examined frequencies and quoted confidence level, and do not rule out all axion dark matter or establish a detection. The earlier result vetoes a radio-interference interval; the later report lists five mode-crossing gaps where no limit was set, despite filling three others with alternate rod configurations. Its apparent persistent candidate at 730.195 MHz was an intentionally blinded synthetic injection, not a discovery; two other persistent signals were attributed to radio interference after checks. The 2018 and 2019 reports have different author lists; the individual list shown for the later report is incomplete.", "area": "Particle physics", "topic": "Physics", "year": 2018, "lane": "HUMAN", "result": "EMPIRICAL", "package_id": "admx-dark-matter-axion-haloscope-2018", "target": { "record_id": "urn:uuid:c496b3d7-3226-488e-a527-543e7c08a59b", "version": 1, "content_hash": "sha256:7e5416c154f18c0a77277afaf3052e3a41bc695aef3b6367c1004784b1579cde" }, "humans": [ "N. Du", "N. Force", "R. Khatiwada", "E. Lentz", "R. Ottens", "L. J. Rosenberg", "G. Rybka", "G. Carosi", "N. Woollett", "D. Bowring", "A. S. Chou", "A. Sonnenschein", "W. Wester", "C. Boutan", "N. S. Oblath", "R. Bradley", "E. J. Daw", "A. V. Dixit", "J. Clarke", "S. R. O’Kelley", "N. Crisosto", "J. R. Gleason", "S. Jois", "P. Sikivie", "I. Stern", "N. S. Sullivan", "D. B. Tanner", "G. C. Hilton", "T. Braine", "R. Cervantes" ], "authors_complete": false, "human_role_note": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.", "agents": [], "related": [], "subresults": [], "scientific_assessment": { "source_review": "SOURCE_CURATED", "scientific_review": "NOT_REVIEWED_BY_WRS", "formal_replay": "NOT_RUN", "provider_attestation": "NONE" }, "sources": [ { "id": "admx-dark-matter-axion-haloscope-2018-v1", "title": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1", "date": "2018-04-16" }, { "id": "admx-extended-haloscope-2019-v1", "title": "Extended Search for the Invisible Axion with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1910.08638v1", "date": "2019-10-18" } ], "points": "92000", "published_grade": { "id": "admx-dark-matter-axion-haloscope-2018", "entry_id": "admx-dark-matter-axion-haloscope-2018", "band": "A", "modifier": "-", "target": { "record_id": "urn:uuid:c496b3d7-3226-488e-a527-543e7c08a59b", "version": 1, "content_hash": "sha256:7e5416c154f18c0a77277afaf3052e3a41bc695aef3b6367c1004784b1579cde" }, "what_changed": "ADMX searched microwave spectra for conversion of hypothetical Galactic axions and found no statistically significant axion signal. The 2018 report reached benchmark DFSZ sensitivity near 2.66–2.81 microelectronvolts, and the later 2019 preprint reported an extended 2.81–3.31 microelectronvolt search using a Josephson parametric amplifier and alternative cavity configurations.", "scope": "ADMX searched microwave spectra for conversion of hypothetical Galactic axions and found no statistically significant axion signal. The 2018 report reached benchmark DFSZ sensitivity near 2.66–2.81 microelectronvolts, and the later 2019 preprint reported an extended 2.81–3.31 microelectronvolt search using a Josephson parametric amplifier and alternative cavity configurations. The exclusion limits assume specific local axion densities and velocity distributions, apply to the examined frequencies and quoted confidence level, and do not rule out all axion dark matter or establish a detection. The earlier result vetoes a radio-interference interval; the later report lists five mode-crossing gaps where no limit was set, despite filling three others with alternate rod configurations. Its apparent persistent candidate at 730.195 MHz was an intentionally blinded synthetic injection, not a discovery; two other persistent signals were attributed to radio interference after checks. The 2018 and 2019 reports have different author lists; the individual list shown for the later report is incomplete.", "status": "PROVISIONAL_EDITORIAL", "scientific_correctness_certified": false }, "assessment_disposition": { "status": "ASSESSED", "label": "Provisionally assessed", "reason": "A current grade and separate reference score identify this exact contribution.", "target": { "record_id": "urn:uuid:c496b3d7-3226-488e-a527-543e7c08a59b", "version": 1, "content_hash": "sha256:7e5416c154f18c0a77277afaf3052e3a41bc695aef3b6367c1004784b1579cde" }, "edition": "ratings-e039106f30dec177" } }, "version": { "kind": "PUBLIC_RECORD_VIEW", "previous": null, "published_at": "2026-10-28T00:00:00Z", "publisher": { "principal_id": "urn:uuid:80116931-785b-40a2-a24b-9d59db0c7e33", "role": "WRS_EDITORIAL_PUBLICATION" }, "record": { "contributors": [ { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. Du", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. Force", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. Khatiwada", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "E. Lentz", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. Ottens", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "L. J. Rosenberg", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "G. Rybka", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "G. Carosi", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. Woollett", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "D. Bowring", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. S. Chou", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. Sonnenschein", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "W. Wester", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "C. Boutan", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. S. Oblath", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. Bradley", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "E. J. Daw", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. V. Dixit", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "J. Clarke", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "S. R. O’Kelley", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. Crisosto", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "J. R. Gleason", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "S. Jois", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "P. Sikivie", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "I. Stern", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. S. Sullivan", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "D. B. Tanner", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "G. C. Hilton", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "T. Braine", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Extended Search for the Invisible Axion with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1910.08638v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. Cervantes", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Extended Search for the Invisible Axion with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1910.08638v1" } } ], "evidence": [ { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-0", "kind": "source_reference", "source": { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" } }, { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-1", "kind": "source_reference", "source": { "citation": "Extended Search for the Invisible Axion with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1910.08638v1" } } ], "origin": "HUMAN_LEGACY", "record_profile": "wrs-local-research-notes-0.1", "record_type": "research_note", "rrp_version": "0.1", "scope": { "description": "The exclusion limits assume specific local axion densities and velocity distributions, apply to the examined frequencies and quoted confidence level, and do not rule out all axion dark matter or establish a detection. The earlier result vetoes a radio-interference interval; the later report lists five mode-crossing gaps where no limit was set, despite filling three others with alternate rod configurations. Its apparent persistent candidate at 730.195 MHz was an intentionally blinded synthetic injection, not a discovery; two other persistent signals were attributed to radio interference after checks. The 2018 and 2019 reports have different author lists; the individual list shown for the later report is incomplete.", "domain": "Particle physics" }, "sources": [ { "citation": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1" }, { "citation": "Extended Search for the Invisible Axion with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1910.08638v1" } ], "statement": "# ADMX low-noise cavity searches for axion dark matter\n\nADMX searched microwave spectra for conversion of hypothetical Galactic axions and found no statistically significant axion signal. The 2018 report reached benchmark DFSZ sensitivity near 2.66–2.81 microelectronvolts, and the later 2019 preprint reported an extended 2.81–3.31 microelectronvolt search using a Josephson parametric amplifier and alternative cavity configurations.\n\n## Scientific scope\n\nThe exclusion limits assume specific local axion densities and velocity distributions, apply to the examined frequencies and quoted confidence level, and do not rule out all axion dark matter or establish a detection. The earlier result vetoes a radio-interference interval; the later report lists five mode-crossing gaps where no limit was set, despite filling three others with alternate rod configurations. Its apparent persistent candidate at 730.195 MHz was an intentionally blinded synthetic injection, not a discovery; two other persistent signals were attributed to radio interference after checks. The 2018 and 2019 reports have different author lists; the individual list shown for the later report is incomplete.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nN. Du; N. Force; R. Khatiwada; E. Lentz; R. Ottens; L. J. Rosenberg; G. Rybka; G. Carosi; N. Woollett; D. Bowring; A. S. Chou; A. Sonnenschein; W. Wester; C. Boutan; N. S. Oblath; R. Bradley; E. J. Daw; A. V. Dixit; J. Clarke; S. R. O’Kelley; N. Crisosto; J. R. Gleason; S. Jois; P. Sikivie; I. Stern; N. S. Sullivan; D. B. Tanner; G. C. Hilton; T. Braine; R. Cervantes\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment](https://arxiv.org/pdf/1804.05750v1)\n- [Extended Search for the Invisible Axion with the Axion Dark Matter Experiment](https://arxiv.org/pdf/1910.08638v1)\n", "summary": "ADMX searched microwave spectra for conversion of hypothetical Galactic axions and found no statistically significant axion signal. The 2018 report reached benchmark DFSZ sensitivity near 2.66–2.81 microelectronvolts, and the later 2019 preprint reported an extended 2.81–3.31 microelectronvolt search using a Josephson parametric amplifier and alternative cavity configurations.", "title": "ADMX low-noise cavity searches for axion dark matter" }, "record_id": "urn:uuid:c496b3d7-3226-488e-a527-543e7c08a59b", "version": 1, "source_ref": { "record_id": "urn:uuid:c496b3d7-3226-488e-a527-543e7c08a59b", "version": 1, "content_hash": "sha256:7e5416c154f18c0a77277afaf3052e3a41bc695aef3b6367c1004784b1579cde" }, "export_view": "wrs-public-editorial-view-1", "public_view_hash": "sha256:6d21fea88b7e35083e4638eb9325aa4ebf349be408b25dad045286f3faed57bf" }, "target": { "record_id": "urn:uuid:c496b3d7-3226-488e-a527-543e7c08a59b", "version": 1, "content_hash": "sha256:7e5416c154f18c0a77277afaf3052e3a41bc695aef3b6367c1004784b1579cde" }, "published_grade": { "profile": "wrs-published-grade-1", "edition": "2026-10-28.1", "id": "admx-dark-matter-axion-haloscope-2018", "entry_id": "admx-dark-matter-axion-haloscope-2018", "revision": 1, "title": "ADMX low-noise cavity searches for axion dark matter", "context": "Particle physics", "track": "Source-reported experimental result or reusable measurement method", "band": "A", "modifier": "-", "status": "PROVISIONAL_EDITORIAL", "assessed_on": "2026-10-28", "evidence_cutoff": "2026-10-28", "achievement_state": "SUPPORTED_SCOPED_RESULT", "what_changed": "ADMX searched microwave spectra for conversion of hypothetical Galactic axions and found no statistically significant axion signal. The 2018 report reached benchmark DFSZ sensitivity near 2.66–2.81 microelectronvolts, and the later 2019 preprint reported an extended 2.81–3.31 microelectronvolt search using a Josephson parametric amplifier and alternative cavity configurations.", "scope": "ADMX searched microwave spectra for conversion of hypothetical Galactic axions and found no statistically significant axion signal. The 2018 report reached benchmark DFSZ sensitivity near 2.66–2.81 microelectronvolts, and the later 2019 preprint reported an extended 2.81–3.31 microelectronvolt search using a Josephson parametric amplifier and alternative cavity configurations. The exclusion limits assume specific local axion densities and velocity distributions, apply to the examined frequencies and quoted confidence level, and do not rule out all axion dark matter or establish a detection. The earlier result vetoes a radio-interference interval; the later report lists five mode-crossing gaps where no limit was set, despite filling three others with alternate rod configurations. Its apparent persistent candidate at 730.195 MHz was an intentionally blinded synthetic injection, not a discovery; two other persistent signals were attributed to radio interference after checks. The 2018 and 2019 reports have different author lists; the individual list shown for the later report is incomplete.", "evidence_summary": "The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. The exclusion limits assume specific local axion densities and velocity distributions, apply to the examined frequencies and quoted confidence level, and do not rule out all axion dark matter or establish a detection. The earlier result vetoes a radio-interference interval; the later report lists five mode-crossing gaps where no limit was set, despite filling three others with alternate rod configurations. Its apparent persistent candidate at 730.195 MHz was an intentionally blinded synthetic injection, not a discovery; two other persistent signals were attributed to radio interference after checks. The 2018 and 2019 reports have different author lists; the individual list shown for the later report is incomplete.", "references": [ { "title": "A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1804.05750v1", "locator": "Original scoped contribution, statement/method and evidence limits; source-specific attribution retained." }, { "title": "Extended Search for the Invisible Axion with the Axion Dark Matter Experiment", "url": "https://arxiv.org/pdf/1910.08638v1", "locator": "Original scoped contribution, statement/method and evidence limits; source-specific attribution retained." } ], "roles": [ { "who": "The named authors in the research record", "credit": "SCIENCE", "did": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged." } ], "target": { "record_id": "urn:uuid:c496b3d7-3226-488e-a527-543e7c08a59b", "version": 1, "content_hash": "sha256:7e5416c154f18c0a77277afaf3052e3a41bc695aef3b6367c1004784b1579cde" }, "scientific_correctness_certified": false, "independent_expert_calibration": false, "method": "PROPRIETARY", "points": "92000" }, "canonical_agent_submission": false, "scientific_verification_awarded": false, "reader_guide": null, "reading_status": "SOURCE_LINKED_NOTE" }